Atlantean Trilogy Archive
An alchemist shapes a clay golem beside copper furnaces and a homunculus in a jar, with whales drifting past a sunken city beyond.

Detect Invisibility

Alchemy, Potion

Lets the drinker see invisible things nearby.

From the book

A potion of detection made with 2 cts. of powdered diamond; it reveals invisible things within a 20 ft. radius.

Like every potion, it is brewed on a base of a pint of clear water, 1 dr. each of powdered gold, silver and copper, and 1 ct. each of seven powdered gemstones, for which an alchemist may substitute 2 drs. of Rare Earths. Brewing needs a mortar and pestle, a small cauldron or alembic and a furnace, and lasts a week; the fermenting mixture is unstable, with a 1% chance of mishap from the 2nd to the 7th day. Success is 90% plus 1% per level, to 99%, and the price starts at 400 G.P.

At a glance

Category
Potions of detection
Ingredients
2 cts. powdered diamond
Range
20 ft. radius
Duration
40 + 1-20 minutes (unless stated)
Base
1 pint clear water; 1 dr. each powdered gold, silver, copper; 1 ct. each of any seven powdered gemstones (alchemists may use 2 drs. Rare Earths instead of the gems)
Equipment
Mortar and pestle, small cauldron or alembic, furnace
Time to complete
1 week per potion
Chance of success
90% +1% per level (max 99%)
Mishap
1% chance between days 2 and 7 (Alchemical Mishap Table)
Substitution
Herbal substitutes for animal ingredients: double the base, -25% success
Cost
Minimum 400 G.P. (more for costly ingredients)
Requires
Potions skill (prerequisites: Read Magic, Philtres and Magical Mixtures or Herbal Elixirs)